Distinctive suction fan



FIG. 1 is a top plan view of a distinctive suction fan showing my new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a front elevational view thereof, the rear elevational view appears the same as the front elevational view; and,

FIG. 4 is a right side view thereof; the left side view appears the same as the right side view. 

The ornamental design for a distinctive suction fan, as shown and described. 